Maximum Kp index on February 4, 2009
Kp = 4
Maximum Kp index on February 4, 2009
Geomagnetic disturbances were observed
Kp = 4
Geomagnetic storms in Concord on February 4, 2009
Time zone — UTC−05 (Concord | 43.22 N 71.55 W)
Geomagnetic storms in Concord in February 2009
Time zone — UTC−05 (Concord | 43.22 N 71.55 W)
Geomagnetic activity indices on February 4, 2009
| Geomagnetic index Ap | 16 |
|---|---|
| Solar radio flux F10.7 | 70 |